Home / 3,433.20-5,141.70-2,331.60

Finding the Fourth Proportional to 3,433.20, 5,141.70 and 2,331.60

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Solution

The fourth proportional to 3,433.20, 5,141.70 and 2,331.60 is: 3,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.20 : 5,141.70 = 2,331.60 : x
  2. Step 2: Convert to fraction form
    3,433.20/5,141.70 = 2,331.60/x
  3. Step 3: Cross multiply
    3,433.20x = 5,141.70 × 2,331.60
  4. Step 4: Simplify right side
    3,433.20x = 11,988,387.72
  5. Step 5: Solve for x
    x = 11,988,387.72/3,433.20
  6. Step 6: Final answer
    x = 3,491.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.